Plow



FIG. 1 is a perspective top, front and right side view of the plow showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is an underside view thereof. 

The ornamental design for a plow, as shown and described. 